/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2008 Blender Foundation.
 * All rights reserved.
 */

/** \file
 * \ingroup editors
 */

#ifndef __ED_TRANSVERTS_H__
#define __ED_TRANSVERTS_H__

#ifdef __cplusplus
extern "C" {
#endif

struct Object;

typedef struct TransVert {
  float *loc;
  float oldloc[3], maploc[3];
  float normal[3];
  int flag;
} TransVert;

typedef struct TransVertStore {
  struct TransVert *transverts;
  int transverts_tot;
  int mode;
} TransVertStore;

void ED_transverts_create_from_obedit(TransVertStore *tvs, struct Object *obedit, const int mode);
void ED_transverts_update_obedit(TransVertStore *tvs, struct Object *obedit);
void ED_transverts_free(TransVertStore *tvs);
bool ED_transverts_check_obedit(Object *obedit);
bool ED_transverts_poll(struct bContext *C);

/* currently only used for bmesh index values */
enum {
  TM_INDEX_ON = 1,    /* tag to make trans verts */
  TM_INDEX_OFF = 0,   /* don't make verts */
  TM_INDEX_SKIP = -1, /* dont make verts (when the index values point to trans-verts) */
};

/* mode flags: */
enum {
  /** all joints (for bones only) */
  TM_ALL_JOINTS = (1 << 0),
  /** skip handles when control point is selected (for curves only) */
  TM_SKIP_HANDLES = (1 << 1),
  /** fill in normals when available */
  TM_CALC_NORMALS = (1 << 2),
};

enum {
  /* SELECT == (1 << 0) */
  TX_VERT_USE_MAPLOC = (1 << 1),
  TX_VERT_USE_NORMAL = (1 << 2), /* avoid nonzero check */
};

#ifdef __cplusplus
}
#endif

#endif /* __ED_TRANSVERTS_H__ */
